TESARO INC's ticker is TSRO and the CUSIP is 881569107. A total of 251 filers reported holding TESARO INC in Q1 2018. The put-call ratio across all filers is 1.12 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $30,000 | +400.0% | 398 | +163.6% | 0.00% | – |
| Q3 2018 | $6,000 | -57.1% | 151 | -38.4% | 0.00% | – |
| Q2 2018 | $14,000 | 0.0% | 245 | 0.0% | 0.00% | – |
| Q1 2018 | $14,000 | -33.3% | 245 | -1.2% | 0.00% | – |
| Q4 2017 | $21,000 | -48.8% | 248 | -20.8% | 0.00% | – |
| Q3 2017 | $41,000 | -8.9% | 313 | -2.8% | 0.00% | -100.0% |
| Q2 2017 | $45,000 | +60.7% | 322 | +74.1% | 0.00% | – |
| Q1 2017 | $28,000 | +366.7% | 185 | +374.4% | 0.00% | – |
| Q4 2016 | $6,000 | +50.0% | 39 | +25.8% | 0.00% | – |
| Q3 2016 | $4,000 | +100.0% | 31 | +24.0% | 0.00% | – |
| Q2 2016 | $2,000 | +100.0% | 25 | 0.0% | 0.00% | – |
| Q1 2016 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q4 2015 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q3 2015 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q2 2015 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q1 2015 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q4 2014 | $1,000 | – | 25 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| INTERWEST VENTURE MANAGEMENT CO | 2,021,738 | $115,522,000 | 48.67% |
| NEA Management Company, LLC | 10,420,555 | $595,431,000 | 26.49% |
| ORACLE INVESTMENT MANAGEMENT INC | 844,718 | $48,267,000 | 11.70% |
| Camber Capital Management LP | 1,725,000 | $98,567,000 | 4.84% |
| BB BIOTECH AG | 1,629,743 | $93,124,000 | 2.57% |
| Iguana Healthcare Management, LLC | 45,000 | $2,571,000 | 1.69% |
| Cormorant Asset Management, LP | 350,000 | $19,999,000 | 1.49% |
| SECTORAL ASSET MANAGEMENT INC | 225,260 | $12,871,000 | 1.41% |
| Rock Springs Capital Management LP | 573,000 | $32,741,000 | 1.40% |
| Eversept Partners, LP | 51,523 | $2,944,024 | 1.37% |